Tool with coating film and manufacturing method thereof
A manufacturing method and cutting tool technology, which are applied to coated cutting tools and their manufacturing fields, can solve the problems of poor bonding force between the coating and the substrate, poor wear resistance, etc. Effect
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Example Embodiment
[0048] Example 1
[0049] In the present embodiment, a coated kitchen knife is produced, and the production process is as follows:
[0050] Step 1. Provide the substrate
[0051] 1. Blade stamping, the base material is 3Cr13 martensitic stainless steel;
[0052] 2. Conventional heat treatment of the blade: quenching temperature 1050℃, heating for 50 minutes, cooling for 70 minutes; tempering temperature 150-230℃, holding for 2-3 hours;
[0053] 3. The blade is obliquely ground, the edge is sharpened, and the mouth is flush;
[0054] Step 2. Remove oil and oxide impurities on the surface of the substrate
[0055] 1. The blade is pre-cleaned, and the cleaning method is ultrasonic vibration cleaning. Vibrate and wash with ethanol several times to remove the dirt on the blade surface, and then dry it after several times of vibrating and washing.
[0056] 2. Use high pressure N 2 The air gun blows the blade directly to avoid suspended particles in the air from adhering to the...
Example Embodiment
[0061] Example 2
[0062] In the present embodiment, a coated kitchen knife is made, and the manufacturing process is the same as that of embodiment 1, and the differences are as follows:
[0063] Step 3. Double-sided coating on the edge of the blade
[0064] The blade was put into a vacuum chamber, and the amorphous carbon film and Ti ions were deposited by the FCVA method using graphite targets and titanium targets. The substrate and the ion source are at 45°, the ion beam energy is 600eV, and the beam current is 2.5mA / cm 2 , the elbow current is 8A, the deposition bias voltage is -110V, the deposition speed is 300s, and the deposition thickness is 12.36nm. 10mm.
[0065] The parameters of the finally formed hydrogen-free amorphous carbon film are shown in Table 1.
Example Embodiment
[0066] Example 3
[0067] In the present embodiment, a coated kitchen knife is made, and the manufacturing process is the same as that of embodiment 1, and the differences are as follows:
[0068] Step 3. Double-sided coating on the edge of the blade
[0069] The blade was put into a vacuum chamber, and the amorphous carbon film and Ti ions were deposited by the FCVA method using graphite targets and titanium targets. The substrate and the ion source are at 41°, the ion beam energy is 580eV, and the beam current is 2.6mA / cm 2 , the elbow current is 8A, the deposition bias is -100V, the deposition speed is 300s, the deposition thickness is 12.36nm, and the thickness direction section is taken along the edge of the hydrogen-free amorphous carbon film away from the blade side. 10mm.
[0070] The parameters of the finally formed hydrogen-free amorphous carbon film are shown in Table 1.
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